122669380 has 36 divisors (see below), whose sum is σ = 260287020. Its totient is φ = 48561600.

The previous prime is 122669369. The next prime is 122669423. The reversal of 122669380 is 83966221.

It can be written as a sum of positive squares in 2 ways, for example, as 23348224 + 99321156 = 4832^2 + 9966^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455886 + ... + 456154.

It is an arithmetic number, because the mean of its divisors is an integer number (7230195).

Almost surely, 2^122669380 is an apocalyptic number.

122669380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122669380 is an abundant number, since it is smaller than the sum of its proper divisors (137617640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122669380 is a wasteful number, since it uses less digits than its factorization.

122669380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 122669380 is about 11075.6209758189. The cubic root of 122669380 is about 496.8729910655.

The spelling of 122669380 in words is "one hundred twenty-two million, six hundred sixty-nine thousand, three hundred eighty".